CN216382728U

CN216382728U - Underwater valve with good air tightness

Info

Publication number: CN216382728U
Application number: CN202120884044.0U
Authority: CN
Inventors: 郭明
Original assignee: Tianjin Runda Offshore Engineering Co ltd
Current assignee: Tianjin Runda Offshore Engineering Co ltd
Priority date: 2021-04-27
Filing date: 2021-04-27
Publication date: 2022-04-26
Anticipated expiration: 2031-04-27

Abstract

The utility model discloses an underwater valve with good air tightness, which comprises a main body, wherein an elastic sealing rubber layer is arranged on the main body, a locking sealing ring is arranged on the elastic sealing rubber layer, a first mounting block is arranged at the top end of the main body, a second mounting block is arranged on the first mounting block, a through groove is formed in the first mounting block, a fixing block is arranged in the through groove, a tensioning rope is arranged on the fixing block, one end of the tensioning rope is connected to a clamping ring, the clamping ring is arranged on a control rod, a control block is arranged at the top end of the control rod, a threaded groove is formed in the control block, springs are arranged on two sides in the control block, a limiting block is arranged at one end of each spring, a fixing ball is arranged on each limiting block, and a screw rod is arranged in each threaded groove. The underwater valve with good air tightness has the advantages that the sealing ring is more tightly connected with the water pipe, the waterproof effect is better, the sealing effect is not influenced by the elasticity of the sealing ring, the waterproof effect is not reduced due to the fact that the elasticity of the sealing ring is lost, and the service life is prolonged.

Description

Underwater valve with good air tightness

Technical Field

The utility model relates to the technical field of valves, in particular to an underwater valve with good air tightness.

Background

The valve is a control part in a fluid conveying system and has the functions of stopping, adjusting, guiding, preventing counter flow, stabilizing pressure, shunting or overflowing and relieving pressure and the like. Valves used in fluid control systems range in variety and size from the simplest shut-off valves to the variety of valves used in extremely complex autonomous systems. The valve can be used for controlling the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil products, liquid metal, radioactive media and the like.

The prior art has the following defects or problems:

1. in the prior art, the valve and the water pipe are generally connected in a tight clamping manner, a sealing ring clamped in the middle plays a main waterproof role, and the waterproof performance of the sealing ring is to be improved in a using mode;

2. the sealing washer that sets up on the prior art valve can lose elasticity after using for a long time, becomes lax, and life is shorter, and water-proof effects worsens.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an underwater valve with good air tightness aiming at the defects of the prior art, and aims to solve the problems that the waterproofness needs to be improved in the mode provided by the background art, a sealing ring loses elasticity after being used for a long time, becomes loose, has short service life and is poor in waterproofness effect.

In order to achieve the purpose, the utility model provides the following technical scheme: the underwater valve with good air tightness comprises a main body, wherein an elastic sealing rubber layer is arranged on the main body, a locking sealing ring is arranged on the elastic sealing rubber layer, a first installation block is arranged at the top end of the main body, a second installation block is arranged on the first installation block, a through groove is formed in the first installation block, a fixed block is arranged in the through groove, a tensioning rope is arranged on the fixed block, one end of the tensioning rope is connected to a clamping ring, the clamping ring is installed on a control rod, a control block is arranged at the top end of the control rod, threaded grooves are formed in the control block, springs are arranged on two sides in the control block, a limiting block is arranged at one end of each spring, a fixing ball is arranged on each limiting block, and a screw rod is arranged in each threaded groove.

As a preferred technical scheme of the utility model: the elastic sealing rubber layers and the main body are fixedly installed through clamping blocks, and the number of the elastic sealing rubber layers is two.

As a preferred technical scheme of the utility model: the main body and the first mounting block are welded, and the first mounting block and the second mounting block are fixedly connected through bolts.

As a preferred technical scheme of the utility model: the through grooves are welded with the fixing blocks, the number of the fixing blocks is four, and holes are formed in the fixing blocks.

As a preferred technical scheme of the utility model: one end of the tensioning rope penetrates through the fixing block to be connected with the clamping ring, and the other end of the tensioning rope is fixedly connected with the locking sealing ring through the clamping block.

As a preferred technical scheme of the utility model: the clamping ring is welded with the control rod, and the control block is fixedly connected with the spring through a clamping block.

As a preferred technical scheme of the utility model: the limiting blocks are welded with the fixed balls, the thread grooves and the screw rods are in threaded connection, and the number of the fixed balls, the limiting blocks and the springs is a plurality.

Compared with the prior art, the underwater valve with good air tightness has the following beneficial effects:

1. according to the underwater valve with good air tightness, the elastic sealing rubber layer and the locking sealing ring are arranged, after the valve is tightly clamped with the water pipe, the locking sealing ring can be contracted and locked on the water pipe through the tensioning rope, the sealing ring is more tightly connected with the water pipe, and the waterproof effect is better;

2. this kind of valve under water that gas tightness is good, through setting up the screw rod, the control block, the control lever, the fixed block, the taut rope, after valve and water piping connection accomplished, through rotating the screw rod, make the screw rod drive the control block and descend, the control block drives the control lever and descends, the control lever passes through the fixed block and takes the one end of taut rope downwards, the other end upward movement of taut rope drives the shrink of locking seal circle, after contracting to appropriate degree, last spring can be tight at logical inslot wall with fixed ball top, play the fixed action, sealed effect can not receive the elastic influence of sealing washer, can not make water-proof effects descend because the sealing washer loses elasticity, service life promotes.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is an enlarged view of FIG. 1A of the present invention;

FIG. 3 is a block diagram illustrating the structure of the control block according to the present invention;

fig. 4 is an external view of the present invention.

In the figure: 1. a main body; 2. an elastic sealing rubber layer; 3. locking a sealing ring; 4. a first mounting block; 5. a second mounting block; 6. a through groove; 7. a fixed block; 8. tensioning the rope; 9. a control lever; 91. a snap ring; 10. a control block; 101. a thread groove; 102. a spring; 103. a limiting block; 104. fixing the ball; 11. a screw.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, in this embodiment: the utility model provides a good underwater valve of gas tightness, including main part 1, elastic sealing rubber layer 2 is gone up to main part 1, there is locking seal circle 3 on the elastic

sealing rubber layer

2, 1 top of main part is provided with first installation piece 4, there is second installation piece 5 on the first installation piece 4, be provided with logical groove 6 in the first installation piece 4, be provided with fixed block 7 in logical groove 6, be provided with taut rope 8 on the fixed block 7, the one end of taut rope 8 is connected on snap ring 91, snap ring 91 is installed on

control lever

9, 9 tops of control lever are provided with control block 10, be provided with thread groove 101 in the control block 10, the inside both sides of control block 10 are provided with spring 102, spring 102 one end is provided with stopper 103, there is fixed ball 104 on the stopper 103, be provided with screw rod 11 in the thread groove 101.

In the embodiment, the elastic sealing rubber layer 2 and the main body 1 are fixedly installed through the clamping block, the number of the elastic sealing rubber layers 2 is two, and the main body 1 is better in waterproofness through the elastic sealing rubber layers 2; the main body 1 and the first mounting block 4 are welded, the first mounting block 4 and the second mounting block 5 are fixedly connected through bolts, and the control block 10 and the control rod 9 are mounted through the first mounting block 4 and the second mounting block 5; the through grooves 6 are welded with the fixed blocks 7, the number of the fixed blocks 7 is four, holes are formed in the fixed blocks 7, and the tensioning ropes 8 can move according to a preset track through the fixed blocks 7; one end of the tensioning rope 8 penetrates through the fixing block 7 to be connected with the clamping ring 91, the other end of the tensioning rope 8 is fixedly connected with the locking sealing ring 3 through the clamping block, and the locking sealing ring 3 can be locked through the tensioning rope 8; the clamping ring 91 is welded with the control rod 9, the control block 10 is fixedly connected with the spring 102 through a clamping block, and the control rod 9 can normally move up and down through the matching between the control block 10 and the screw 11; the limiting block 103 and the fixing ball 104 are welded, the thread groove 101 and the screw 11 are in threaded connection, the number of the fixing ball 104, the limiting block 103 and the spring 102 is several, and the control block 10 can move upwards or downwards through the screw 11.

The working principle and the using process of the utility model are as follows: when in use, a user firstly clamps the main body 1 with the water pipe, after the main body 1 is tightly clamped with the water pipe, the locking seal ring 3 can be contracted and firmly locked on the water pipe through the tensioning rope 8, the locking seal ring 3 is more tightly connected with the water pipe, the waterproof effect is better, after main part 1 and water piping connection accomplished, through rotating screw rod 11, make screw rod 11 drive control block 10 descend, control block 10 drives control lever 9 and descends, control lever 9 takes the one end of taut rope 8 downwards through fixed block 7, the other end upward movement of taut rope 8 drives locking seal ring 3 shrink, after contracting to appropriate degree, spring 102 can be tight at logical groove 6 inner wall with fixed ball 104 top at last, play the fixed action, sealed effect can not receive locking seal ring 3's elastic influence, can not make water-proof effects descend because locking seal ring 3 loses elasticity, service life promotes.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a good underwater valve of gas tightness which characterized in that: the anti-theft device comprises a main body (1), wherein an elastic sealing rubber layer (2) is arranged on the main body (1), a locking sealing ring (3) is arranged on the elastic sealing rubber layer (2), a first mounting block (4) is arranged at the top end of the main body (1), a second mounting block (5) is arranged on the first mounting block (4), a through groove (6) is formed in the first mounting block (4), a fixed block (7) is arranged in the through groove (6), a tensioning rope (8) is arranged on the fixed block (7), one end of the tensioning rope (8) is connected to a clamping ring (91), the clamping ring (91) is arranged on a control rod (9), a control block (10) is arranged at the top end of the control rod (9), a threaded groove (101) is formed in the control block (10), springs (102) are arranged on two sides in the control block (10), and a limiting block (103) is arranged at one end of each spring (102), the limiting block (103) is provided with a fixed ball (104), and a screw (11) is arranged in the thread groove (101).

2. An underwater valve with good air tightness as claimed in claim 1, wherein: the elastic sealing rubber layers (2) are fixedly mounted with the main body (1) through clamping blocks, and the number of the elastic sealing rubber layers (2) is two.

3. An underwater valve with good air tightness as claimed in claim 1, wherein: the main body (1) and the first mounting block (4) are welded, and the first mounting block (4) and the second mounting block (5) are fixedly connected through bolts.

4. An underwater valve with good air tightness as claimed in claim 1, wherein: the through grooves (6) are welded with the fixing blocks (7), the number of the fixing blocks (7) is four, and holes are formed in the fixing blocks (7).

5. An underwater valve with good air tightness as claimed in claim 1, wherein: one end of the tensioning rope (8) penetrates through the fixing block (7) to be connected with the clamping ring (91), and the other end of the tensioning rope (8) is fixedly connected with the locking sealing ring (3) through the clamping block.

6. An underwater valve with good air tightness as claimed in claim 1, wherein: the clamping ring (91) is welded with the control rod (9), and the control block (10) is fixedly connected with the spring (102) through a clamping block.

7. An underwater valve with good air tightness as claimed in claim 1, wherein: the limiting block (103) is welded with the fixed ball (104), the thread groove (101) and the screw rod (11) are in threaded connection, and the fixed ball (104), the limiting block (103) and the spring (102) are all in a plurality.